Live Science3d
How to watch 'Expedition Killer Whale' — TV and streaming details for orca documentary
You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream ...
Some species of baleen whales may avoid attracting killer whales by singing too low to be heard
Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...
The Canadian Press on MSN1d
Some whales sing low enough to be ‘acoustically invisible’ to predators, research suggests
New research finds male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if ...
Science Daily7d
Some species of baleen whales avoid attracting killer whales by singing too low to be heard
New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...